@article{ref1,
title="Hip fractures to treble by the year 2030",
journal="Bulletin of The World Health Organization",
year="1999",
author="",
volume="77",
number="5",
pages="449-449",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0042-9686",
doi="",
url="http://dx.doi.org/"
}